8071725 has 24 divisors (see below), whose sum is σ = 13427712. Its totient is φ = 4278400.

The previous prime is 8071709. The next prime is 8071727. The reversal of 8071725 is 5271708.

It is a happy number.

It is not a de Polignac number, because 8071725 - 2⁴ = 8071709 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 8071692 and 8071701.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8071727) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 20884 + ... + 21266.

It is an arithmetic number, because the mean of its divisors is an integer number (559488).

Almost surely, 2^8071725 is an apocalyptic number.

It is an amenable number.

8071725 is a deficient number, since it is larger than the sum of its proper divisors (5355987).

8071725 is a wasteful number, since it uses less digits than its factorization.

8071725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 677 (or 672 counting only the distinct ones).

The product of its (nonzero) digits is 3920, while the sum is 30.

The square root of 8071725 is about 2841.0781404249. The cubic root of 8071725 is about 200.5959309015.

The spelling of 8071725 in words is "eight million, seventy-one thousand, seven hundred twenty-five".